{
  "schema": "ab5d-essay-generation/1",
  "model": "gpt-6-astra",
  "displayName": "GPT-6 Astra",
  "scope": "Color Study source research, code inspection, visual comparison and drafting period, including overlapping Utopia progress recording and site-wide essay heading/date corrections. Earlier metadata retrieval and later rendering/deployment excluded.",
  "essayCount": 1,
  "perEssayUsage": null,
  "usage": {
    "inputTokens": 6467435,
    "cachedInputTokens": 6330752,
    "outputTokens": 11694,
    "reasoningOutputTokens": 1213,
    "totalTokens": 6479129
  },
  "usageSummary": "across the Color Study research and drafting period, including overlapping essay presentation work.",
  "usageDetail": "Measured session interval, not an isolated per-essay cost. Includes cached context, source and code inspection, four preview readings, drafting and packaging, plus overlapping Utopia progress recording and essay date/style work. Earlier metadata retrieval and subsequent rendering/deployment excluded.",
  "accounting": "Cached input is included in input tokens; reasoning output is included in output tokens. Total is input plus output.",
  "source": "Local Codex session cumulative telemetry difference between recorded boundaries",
  "baselineAt": "2026-09-17T05:32:05.468Z",
  "recordedAt": "2026-09-17T05:39:51.190Z"
}